Ingredient or product comparison
GHK-Cu Dosage Anti-Aging: Route Comparison
Subcutaneous Injection 1–3mg daily 85–92% 450–1200 Systemic anti-aging, wound healing, tissue remodeling Gold standard for measurable results. Direct bioavailability bypasses dermal penetration limits entirely Topical (Cream/Serum) 2–3% formulation 0.3–1.2% de
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- Subcutaneous Injection
- 1–3mg daily
- 85–92%
- 450–1200
- Systemic anti-aging, wound healing, tissue remodeling
- Gold standard for measurable results. Direct bioavailability bypasses dermal penetration limits entirely
- Topical (Cream/Serum)
- 2–3% formulation
- 0.3–1.2% dermal
- 15–40
- Localized facial skin improvement, fine lines
- Effective for surface-level improvements but cannot achieve systemic therapeutic levels
- Oral (Capsule)
- 50–200mg
- <5%
- <50
- Not recommended
- Gastric degradation and hepatic first-pass metabolism render oral GHK-Cu clinically ineffective
- Transdermal Patch
- 5–10mg over 24hr
- 2–8%
- 80–200
- Experimental. Limited data
- Insufficient evidence for efficacy; copper oxidation in patch matrix degrades peptide stability